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scsi: lpfc: Fix up log messages and stats counters in IO submit code path

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Fix up log messages and add an fcp error stat counter in the IO submit
code path to make diagnosing problems easier

Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
James Smart 2018-05-04 20:37:56 -07:00 committed by Martin K. Petersen
parent d38f33b304
commit 44c2757b76
4 changed files with 37 additions and 23 deletions
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3
drivers/scsi/lpfc/lpfc_attr.c
View file

@ -405,11 +405,12 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr,
len += snprintf(buf+len, PAGE_SIZE-len,
" abort %08x noxri %08x nondlp %08x qdepth %08x "
"wqerr %08x\n",
"wqerr %08x err %08x\n",
atomic_read(&lport->xmt_fcp_abort),
atomic_read(&lport->xmt_fcp_noxri),
atomic_read(&lport->xmt_fcp_bad_ndlp),
atomic_read(&lport->xmt_fcp_qdepth),
atomic_read(&lport->xmt_fcp_err),
atomic_read(&lport->xmt_fcp_wqerr));
len += snprintf(buf + len, PAGE_SIZE - len,

3
drivers/scsi/lpfc/lpfc_debugfs.c
View file

@ -959,11 +959,12 @@ lpfc_debugfs_nvmestat_data(struct lpfc_vport *vport, char *buf, int size)
len += snprintf(buf + len, size - len,
"FCP Xmt Err: noxri %06x nondlp %06x "
"qdepth %06x wqerr %06x Abrt %06x\n",
"qdepth %06x wqerr %06x err %06x Abrt %06x\n",
atomic_read(&lport->xmt_fcp_noxri),
atomic_read(&lport->xmt_fcp_bad_ndlp),
atomic_read(&lport->xmt_fcp_qdepth),
atomic_read(&lport->xmt_fcp_wqerr),
atomic_read(&lport->xmt_fcp_err),
atomic_read(&lport->xmt_fcp_abort));
len += snprintf(buf + len, size - len,

53
drivers/scsi/lpfc/lpfc_nvme.c
View file

@ -1451,8 +1451,9 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport,
vport = lport->vport;
if (unlikely(!hw_queue_handle)) {
lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_ABTS,
"6117 Fail Abort, NULL hw_queue_handle\n");
lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_IOERR,
"6117 Fail IO, NULL hw_queue_handle\n");
atomic_inc(&lport->xmt_fcp_err);
ret = -EBUSY;
goto out_fail;
}
@ -1465,12 +1466,18 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport,
}
if (vport->load_flag & FC_UNLOADING) {
lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_IOERR,
"6124 Fail IO, Driver unload\n");
atomic_inc(&lport->xmt_fcp_err);
ret = -ENODEV;
goto out_fail;
}
freqpriv = pnvme_fcreq->private;
if (unlikely(!freqpriv)) {
lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_IOERR,
"6158 Fail IO, NULL request data\n");
atomic_inc(&lport->xmt_fcp_err);
ret = -EINVAL;
goto out_fail;
}
@ -1488,29 +1495,22 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport,
*/
ndlp = rport->ndlp;
if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE | LOG_NVME_IOERR,
"6053 rport %p, ndlp %p, DID x%06x "
"ndlp not ready.\n",
lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE | LOG_NVME_IOERR,
"6053 Fail IO, ndlp not ready: rport %p "
"ndlp %p, DID x%06x\n",
rport, ndlp, pnvme_rport->port_id);
ndlp = lpfc_findnode_did(vport, pnvme_rport->port_id);
if (!ndlp) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME_IOERR,
"6066 Missing node for DID %x\n",
pnvme_rport->port_id);
atomic_inc(&lport->xmt_fcp_bad_ndlp);
ret = -EBUSY;
goto out_fail;
}
atomic_inc(&lport->xmt_fcp_err);
ret = -EBUSY;
goto out_fail;
}
/* The remote node has to be a mapped target or it's an error. */
if ((ndlp->nlp_type & NLP_NVME_TARGET) &&
(ndlp->nlp_state != NLP_STE_MAPPED_NODE)) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE | LOG_NVME_IOERR,
"6036 rport %p, DID x%06x not ready for "
lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE | LOG_NVME_IOERR,
"6036 Fail IO, DID x%06x not ready for "
"IO. State x%x, Type x%x Flg x%x\n",
rport, pnvme_rport->port_id,
pnvme_rport->port_id,
ndlp->nlp_state, ndlp->nlp_type,
ndlp->upcall_flags);
atomic_inc(&lport->xmt_fcp_bad_ndlp);
@ -1535,6 +1535,10 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport,
*/
if ((atomic_read(&ndlp->cmd_pending) >= ndlp->cmd_qdepth) &&
!expedite) {
lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_IOERR,
"6174 Fail IO, ndlp qdepth exceeded: "
"idx %d DID %x\n",
lpfc_queue_info->index, ndlp->nlp_DID);
atomic_inc(&lport->xmt_fcp_qdepth);
ret = -EBUSY;
goto out_fail;
@ -1544,8 +1548,9 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport,
if (lpfc_ncmd == NULL) {
atomic_inc(&lport->xmt_fcp_noxri);
lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_IOERR,
"6065 driver's buffer pool is empty, "
"IO failed\n");
"6065 Fail IO, driver buffer pool is empty: "
"idx %d DID %x\n",
lpfc_queue_info->index, ndlp->nlp_DID);
ret = -EBUSY;
goto out_fail;
}
@ -1585,6 +1590,11 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport,
lpfc_nvme_prep_io_cmd(vport, lpfc_ncmd, ndlp, cstat);
ret = lpfc_nvme_prep_io_dma(vport, lpfc_ncmd);
if (ret) {
lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_IOERR,
"6175 Fail IO, Prep DMA: "
"idx %d DID %x\n",
lpfc_queue_info->index, ndlp->nlp_DID);
atomic_inc(&lport->xmt_fcp_err);
ret = -ENOMEM;
goto out_free_nvme_buf;
}
@ -1600,7 +1610,7 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport,
atomic_inc(&lport->xmt_fcp_wqerr);
atomic_dec(&ndlp->cmd_pending);
lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_IOERR,
"6113 FCP could not issue WQE err %x "
"6113 Fail IO, Could not issue WQE err %x "
"sid: x%x did: x%x oxid: x%x\n",
ret, vport->fc_myDID, ndlp->nlp_DID,
lpfc_ncmd->cur_iocbq.sli4_xritag);
@ -2477,6 +2487,7 @@ lpfc_nvme_create_localport(struct lpfc_vport *vport)
atomic_set(&lport->xmt_fcp_noxri, 0);
atomic_set(&lport->xmt_fcp_bad_ndlp, 0);
atomic_set(&lport->xmt_fcp_qdepth, 0);
atomic_set(&lport->xmt_fcp_err, 0);
atomic_set(&lport->xmt_fcp_wqerr, 0);
atomic_set(&lport->xmt_fcp_abort, 0);
atomic_set(&lport->xmt_ls_abort, 0);

1
drivers/scsi/lpfc/lpfc_nvme.h
View file

@ -59,6 +59,7 @@ struct lpfc_nvme_lport {
atomic_t xmt_fcp_bad_ndlp;
atomic_t xmt_fcp_qdepth;
atomic_t xmt_fcp_wqerr;
atomic_t xmt_fcp_err;
atomic_t xmt_fcp_abort;
atomic_t xmt_ls_abort;
atomic_t xmt_ls_err;